770 billion parameters. It can now see and click.
Tencent released the full Hy4 model on November 4, 2026. The August preview was text only. Now it reads charts and runs software — vision and computer use, added for the first time in the Hunyuan line. It scored 78.9 on the OSWorld 2.1 computer-use test, against 81.8 for Claude Opus 5.5 in Tencent’s own table. Here is the catch: the weights are not out yet. Tencent says it plans to release them, with no date given, so today Hy4 is API only — through Tencent Cloud TokenHub, OpenRouter, and Tencent products including WorkBuddy and CodeBuddy. Expect faster office and coding help by API. Do not plan to self-host it yet. Wait for the weights and the system card.
Storyline
Hook: 770 billion parameters. It can now see and click.
Context: Tencent released the full Hy4 model today. The August preview was text only. Now it reads charts and runs software.
Stakes: It scored 78.9 on a computer-use test. Claude Opus 5.5 scored 81.8. Tencent reports both scores itself. The weights are not out yet. Tencent only promises them later. Today it is API only.
Payoff: Hy4 sees and clicks today. The download comes later. Send this to one person building with AI.
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How we verified this
Facts checked against Tencent’s November 4 Hy4 announcement as reported by Unite.AI, plus independent reporting from maccus.fr and Startup Fortune confirming the same-day API-only launch, the planned (undated) weights release, and the OSWorld 2.1 scores. Company-reported benchmark figures are labeled as Tencent’s own.
Links
Instagram reel: https://www.instagram.com/p/DfWCDKsAlL-/
Sources: https://www.unite.ai/tencent-releases-full-hy4-model-with-vision-and-computer-use/ , https://maccus.fr/en/tencent-hy4-ai-model/ , https://startupfortune.com/tencent-launches-hunyuan-hy4-with-vision-and-the-ability-to-click-through-apps/
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